#40ffcc

Aquamarine

Closest match (96% match)

Color formats

RGB

rgb(64, 255, 204)

Red, Green, Blue components

HSL

hsl(164, 100%, 63%)

Hue, Saturation, Lightness

CMYK

cmyk(75, 0, 20, 0)

Print color encoding

Luminance

0.770

Relative luminance

Variations

Shades (Darkening)

Tints (Lightening)

Tones (Reduced saturation)

Harmonies

Click the color slices to copy the code.

Complementary (Opposite)

#40ffcc

#ff4073

Analogous (Adjacent)

#40ff6d

#40ffcc

#40d2ff

Triadic

#40ffcc

#cc40ff

#ffcc40

Split complementary

#40ffcc

#ff40d2

#ff6d40

Complete conversion table

HEX

#40FFCC

RGB

rgb(64,255,204)

RGBA

rgba(64,255,204, 1)

HSL

hsl(163.98,100%,62.55%)

OKLCH (Modern CSS)

oklch(0.90 0.16 170.0)

CSS Variable

--color: #40ffcc;

Preview

Readability and Typography

Headline Test

This text demonstrates the reading experience on this background color.

Headline Test

This text demonstrates the reading experience on this background color.

UI Component Set

This is an example alert bar using the selected color.

SOLIDSOFTOUTLINE

Product Mockup

4582 •••• •••• 9018

CARDHOLDER

JOHN DOE

VALID

12/28

Mobile application

Customer support

Hi! How can we help you today?

I love this new color! 😍

Data visualization

Weekly growth

+1,240

12.5%

WED

2,450

Contrast

Contrast and readability (WCAG)

On white background

1.28

Small text (14pt)

The quick brown fox jumps over...

AAA

Large text or UI (18pt Bold)

AAA

On black background

16.39

Small text (14pt)

The quick brown fox jumps over...

AAA

Large text or UI (18pt Bold)

AAA

Color blindness simulator

ORIG

SIM

Protanopia (red)

#40ffcc#e9e8cc

ORIG

SIM

Deuteranopia (green)

#40ffcc#736acc

ORIG

SIM

Tritanopia (blue)

#40ffcc#4a93a5

ORIG

SIM

Monochrome (color blind)

#40ffcc#dae6e1

Mixing guide

How to mix this color using physical paints or printing inks.

MIXING PALETTE

51%

25%

24%

RYB PIGMENTS

Ultramarine blue

Pigment

51%

Titanium white

Pigment

25%

Cadmium yellow

Pigment

24%

Unlike light, mixing paints makes colors darker. This simulation mimics the behavior of physical pigments.

Physical properties

Perceptual and light-related properties derived from the digital color.

Spectral relationship

Green hue

495–570 nm • closest visible-spectrum range

750 nm

380 nm

Visual temperature

Cool

A perceptual warm–cool classification. Kelvin does not apply to an arbitrary interface color.

Cool

Neutral

Warm

Luminance (brightness)

77.0%

Light • relative luminance

50%

100%

An RGB color is produced by combined screen light, so this range is a visual comparison rather than an exact physical wavelength.

Gradient gallery

Generate premium CSS backgrounds and textures from your color.

Similar & Related Colors

Mathematically computed harmonies, shades, and similar tones for this color.

Plunge Pool

#00FFCC

Minty Paradise

#00FFBB

Onsen

#66EEBB

Ice Ice Baby

#00FFDD

Radical Red

#FF4073

Dodger Blue

#40D2FF

Screamin' Green

#40FF6C

Heliotrope

#CC40FF

Bright Sun

#FFCC40

Razzle Dazzle Rose

#FF40D2

Anakiwa

#8FFFFF

Caribbean Green

#00C192